{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["place of death", "education institution", "education degree", "place of birth"], "input": "Volker Grabow (born 27 September 1956 in Essen ) is a German rower. Together with his brother Guido he was a top rower in the coxless four."}
{"place of death": [], "education institution": [], "education degree": [], "place of birth": [{"subject": "Volker Grabow", "object": "Essen"}]}